Document that `Selector.ToV2` method return `nil`
when called on `nil`. Document that `NewSelectorFromV2`
function return `nil` when called on `nil`. Write
corresponding unit tests.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Rename `PriceAttr` constant to `AttrPrice`. Rename `CapacityAttr` constant
to `AttrCapacity`. Add documentation to both of them.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
If CBF value is not set, then netmap package uses default CBF
value. However it modifies placement policy structure in
`GetContainerNodes()` because policy passed as a pointer.
Instead package can store CBF value in internal context and use
it without policy modification.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
When selector attribute is provided it should be
silently replaced by transparent ID, so each node
resides in a separate bucket.
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
